| # Base image class extension, inlined into every image. |
| |
| def build_uboot(d): |
| fstypes = d.getVar('IMAGE_FSTYPES', True).split() |
| if any([x.endswith('u-boot') for x in fstypes]): |
| return 'image_types_uboot' |
| return '' |
| |
| |
| # Inherit u-boot classes if legacy uboot images are in use. |
| IMAGE_TYPE_uboot = '${@build_uboot(d)}' |
| inherit ${IMAGE_TYPE_uboot} |
| inherit image_version |
| |
| # Phosphor image types |
| # |
| # Phosphor OpenBMC supports a fixed partition mtd layout, |
| # A dynamic mtd with ubi layout, and a tar file for use with |
| # The reference BMC software update implementation. |
| |
| # Image composition |
| FLASH_KERNEL_IMAGE ?= "${@bb.utils.contains('MACHINE_FEATURES', \ |
| 'obmc-ubi-fs', 'fitImage-${MACHINE}.bin', \ |
| 'fitImage-${INITRAMFS_IMAGE}-${MACHINE}.bin', d)}" |
| IMAGE_BASETYPE ?= "squashfs-xz" |
| OVERLAY_BASETYPE ?= "jffs2" |
| FLASH_UBI_BASETYPE ?= "${IMAGE_BASETYPE}" |
| FLASH_UBI_OVERLAY_BASETYPE ?= "ubifs" |
| |
| IMAGE_TYPES += "overlay mtd-static mtd-static-alltar mtd-static-tar mtd-ubi mtd-ubi-tar" |
| |
| IMAGE_TYPEDEP_overlay = "${IMAGE_BASETYPE}" |
| IMAGE_TYPEDEP_mtd-static = "${IMAGE_BASETYPE}" |
| IMAGE_TYPEDEP_mtd-static-tar = "${IMAGE_BASETYPE}" |
| IMAGE_TYPEDEP_mtd-static-alltar = "mtd-static" |
| IMAGE_TYPEDEP_mtd-ubi = "${FLASH_UBI_BASETYPE}" |
| IMAGE_TYPEDEP_mtd-ubi-tar = "${FLASH_UBI_BASETYPE}" |
| IMAGE_TYPES_MASKED += "overlay mtd-static mtd-static-alltar mtd-static-tar mtd-ubi mtd-ubi-tar" |
| |
| # Flash characteristics in KB unless otherwise noted |
| FLASH_SIZE ?= "32768" |
| FLASH_PEB_SIZE ?= "64" |
| # Flash page and overhead sizes in bytes |
| FLASH_PAGE_SIZE ?= "1" |
| FLASH_NOR_UBI_OVERHEAD ?= "64" |
| |
| # Fixed partition offsets |
| FLASH_UBOOT_OFFSET ?= "0" |
| FLASH_KERNEL_OFFSET ?= "512" |
| FLASH_UBI_OFFSET ?= "${FLASH_KERNEL_OFFSET}" |
| FLASH_ROFS_OFFSET ?= "4864" |
| FLASH_RWFS_OFFSET ?= "28672" |
| |
| # UBI volume sizes in KB unless otherwise noted. |
| FLASH_UBI_RWFS_SIZE ?= "4096" |
| FLASH_UBI_RWFS_TXT_SIZE ?= "4MiB" |
| |
| python() { |
| # Compute rwfs LEB count and LEB size. |
| page_size = d.getVar('FLASH_PAGE_SIZE', True) |
| nor_overhead_size = d.getVar('FLASH_NOR_UBI_OVERHEAD', True) |
| overhead_size = max(int(page_size), int(nor_overhead_size)) |
| peb_size = d.getVar('FLASH_PEB_SIZE', True) |
| leb_size = (int(peb_size) * 1024) - (2 * overhead_size) |
| d.setVar('FLASH_LEB_SIZE', str(leb_size)) # In bytes |
| |
| rwfs_size = d.getVar('FLASH_UBI_RWFS_SIZE', True) |
| rwfs_size = int(rwfs_size) * 1024 |
| lebs = int((rwfs_size + leb_size - 1) / leb_size) # Rounding up |
| d.setVar('FLASH_UBI_RWFS_LEBS', str(lebs)) |
| } |
| |
| # Allow rwfs mkfs configuration through OVERLAY_MKFS_OPTS and OVERRIDES. However, |
| # avoid setting 'ext4' or 'jffs2' in OVERRIDES as such raw filesystem types are |
| # reserved for the primary image (and setting them currently breaks the build). |
| # Instead, prefix the overlay override value with 'rwfs-' to avoid collisions. |
| DISTROOVERRIDES .= ":static-rwfs-${OVERLAY_BASETYPE}" |
| DISTROOVERRIDES .= ":ubi-rwfs-${FLASH_UBI_OVERLAY_BASETYPE}" |
| |
| JFFS2_RWFS_CMD = "mkfs.jffs2 --root=jffs2 --faketime --output=rwfs.jffs2" |
| UBIFS_RWFS_CMD = "mkfs.ubifs -r ubifs -c ${FLASH_UBI_RWFS_LEBS} -m ${FLASH_PAGE_SIZE} -e ${FLASH_LEB_SIZE} rwfs.ubifs" |
| |
| FLASH_STATIC_RWFS_CMD_static-rwfs-jffs2 = "${JFFS2_RWFS_CMD}" |
| FLASH_UBI_RWFS_CMD_ubi-rwfs-jffs2 = "${JFFS2_RWFS_CMD}" |
| FLASH_UBI_RWFS_CMD_ubi-rwfs-ubifs = "${UBIFS_RWFS_CMD}" |
| |
| mk_nor_image() { |
| image_dst="$1" |
| image_size_kb=$2 |
| dd if=/dev/zero bs=1k count=$image_size_kb \ |
| | tr '\000' '\377' > $image_dst |
| } |
| |
| make_rwfs() { |
| type=$1 |
| cmd=$2 |
| shift |
| shift |
| opts="$@" |
| |
| rm -f rwfs.$type |
| rm -rf $type |
| mkdir $type |
| |
| $cmd $opts |
| } |
| |
| do_generate_rwfs_static() { |
| make_rwfs ${OVERLAY_BASETYPE} "${FLASH_STATIC_RWFS_CMD}" ${OVERLAY_MKFS_OPTS} |
| } |
| do_generate_rwfs_static[dirs] = " ${S}/static" |
| do_generate_rwfs_static[depends] += " \ |
| mtd-utils-native:do_populate_sysroot \ |
| " |
| |
| do_generate_rwfs_ubi() { |
| make_rwfs ${FLASH_UBI_OVERLAY_BASETYPE} "${FLASH_UBI_RWFS_CMD}" |
| } |
| do_generate_rwfs_ubi[dirs] = " ${S}/ubi" |
| do_generate_rwfs_ubi[depends] += " \ |
| mtd-utils-native:do_populate_sysroot \ |
| " |
| |
| add_volume() { |
| config_file=$1 |
| vol_id=$2 |
| vol_type=$3 |
| vol_name=$4 |
| image=$5 |
| vol_size=$6 |
| |
| echo \[$vol_name\] >> $config_file |
| echo mode=ubi >> $config_file |
| echo image=$image >> $config_file |
| echo vol_type=$vol_type >> $config_file |
| echo vol_name=$vol_name >> $config_file |
| echo vol_id=$vol_id >> $config_file |
| if [ ! -z $vol_size ]; then |
| echo vol_size=$vol_size >> $config_file |
| fi |
| } |
| |
| python do_generate_ubi() { |
| version_id = do_get_versionID(d) |
| d.setVar('VERSION_ID', version_id) |
| bb.build.exec_func("do_make_ubi", d) |
| } |
| do_generate_ubi[dirs] = "${S}/ubi" |
| do_generate_ubi[depends] += " \ |
| ${PN}:do_image_${@d.getVar('FLASH_UBI_BASETYPE', True).replace('-', '_')} \ |
| virtual/kernel:do_deploy \ |
| u-boot:do_populate_sysroot \ |
| mtd-utils-native:do_populate_sysroot \ |
| " |
| |
| do_make_ubi() { |
| cfg=ubinize-${IMAGE_NAME}.cfg |
| rm -f $cfg ubi-img |
| # Construct the ubinize config file |
| add_volume $cfg 0 static kernel-${VERSION_ID} \ |
| ${DEPLOY_DIR_IMAGE}/${FLASH_KERNEL_IMAGE} |
| |
| add_volume $cfg 1 static rofs-${VERSION_ID} \ |
| ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.${FLASH_UBI_BASETYPE} |
| |
| add_volume $cfg 2 dynamic rwfs rwfs.${FLASH_UBI_OVERLAY_BASETYPE} ${FLASH_UBI_RWFS_TXT_SIZE} |
| |
| # Build the ubi partition image |
| ubinize -p ${FLASH_PEB_SIZE}KiB -m ${FLASH_PAGE_SIZE} -o ubi-img $cfg |
| |
| # Concatenate the uboot and ubi partitions |
| mk_nor_image ${IMGDEPLOYDIR}/${IMAGE_NAME}.ubi.mtd ${FLASH_SIZE} |
| dd bs=1k conv=notrunc seek=${FLASH_UBOOT_OFFSET} \ |
| if=${DEPLOY_DIR_IMAGE}/u-boot.${UBOOT_SUFFIX} \ |
| of=${IMGDEPLOYDIR}/${IMAGE_NAME}.ubi.mtd |
| dd bs=1k conv=notrunc seek=${FLASH_UBI_OFFSET} \ |
| if=ubi-img \ |
| of=${IMGDEPLOYDIR}/${IMAGE_NAME}.ubi.mtd |
| |
| cd ${IMGDEPLOYDIR} |
| ln -sf ${IMAGE_NAME}.ubi.mtd ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.ubi.mtd |
| } |
| do_make_ubi[dirs] = "${S}/ubi" |
| do_make_ubi[depends] += " \ |
| ${PN}:do_image_${@d.getVar('FLASH_UBI_BASETYPE', True).replace('-', '_')} \ |
| virtual/kernel:do_deploy \ |
| u-boot:do_populate_sysroot \ |
| mtd-utils-native:do_populate_sysroot \ |
| " |
| |
| do_generate_static() { |
| # Assemble the flash image |
| mk_nor_image ${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd ${FLASH_SIZE} |
| dd bs=1k conv=notrunc seek=${FLASH_UBOOT_OFFSET} \ |
| if=${DEPLOY_DIR_IMAGE}/u-boot.${UBOOT_SUFFIX} \ |
| of=${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd |
| |
| dd bs=1k conv=notrunc seek=${FLASH_KERNEL_OFFSET} \ |
| if=${DEPLOY_DIR_IMAGE}/${FLASH_KERNEL_IMAGE} \ |
| of=${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd |
| |
| dd bs=1k conv=notrunc seek=${FLASH_ROFS_OFFSET} \ |
| if=${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.${IMAGE_BASETYPE} \ |
| of=${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd |
| |
| dd bs=1k conv=notrunc seek=${FLASH_RWFS_OFFSET} \ |
| if=rwfs.${OVERLAY_BASETYPE} \ |
| of=${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd |
| # File needed for generating non-standard legacy links below |
| cp rwfs.${OVERLAY_BASETYPE} ${IMGDEPLOYDIR}/rwfs.${OVERLAY_BASETYPE} |
| |
| cd ${IMGDEPLOYDIR} |
| ln -sf ${IMAGE_NAME}.static.mtd ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.static.mtd |
| |
| # Maintain non-standard legacy links |
| ln -sf ${IMAGE_NAME}.static.mtd ${IMGDEPLOYDIR}/flash-${MACHINE} |
| ln -sf ${IMAGE_NAME}.static.mtd ${IMGDEPLOYDIR}/image-bmc |
| ln -sf u-boot.${UBOOT_SUFFIX} ${IMGDEPLOYDIR}/image-u-boot |
| ln -sf ${FLASH_KERNEL_IMAGE} ${IMGDEPLOYDIR}/image-kernel |
| ln -sf ${IMAGE_LINK_NAME}.${IMAGE_BASETYPE} ${IMGDEPLOYDIR}/image-rofs |
| ln -sf rwfs.${OVERLAY_BASETYPE} ${IMGDEPLOYDIR}/image-rwfs |
| } |
| do_generate_static[dirs] = "${S}/static" |
| do_generate_static[depends] += " \ |
| ${PN}:do_image_${@d.getVar('IMAGE_BASETYPE', True).replace('-', '_')} \ |
| virtual/kernel:do_deploy \ |
| u-boot:do_populate_sysroot \ |
| " |
| |
| do_generate_static_alltar() { |
| ln -sf ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.static.mtd image-bmc |
| tar -h -cvf ${IMGDEPLOYDIR}/${IMAGE_NAME}.static.mtd.all.tar image-bmc |
| |
| cd ${IMGDEPLOYDIR} |
| |
| ln -sf ${IMAGE_NAME}.static.mtd.all.tar \ |
| ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.static.mtd.all.tar |
| |
| # Maintain non-standard legacy link. |
| ln -sf ${IMAGE_NAME}.static.mtd.all.tar \ |
| ${IMGDEPLOYDIR}/${MACHINE}-${DATETIME}.all.tar |
| } |
| do_generate_static_alltar[vardepsexclude] = "DATETIME" |
| do_generate_static_alltar[dirs] = "${S}/static" |
| |
| make_tar_of_images() { |
| rwfs=$1 |
| rofs=$2 |
| type=$3 |
| shift |
| shift |
| shift |
| extra_files="$@" |
| |
| # Create some links to help make the tar archive |
| ln -sf ${DEPLOY_DIR_IMAGE}/u-boot.${UBOOT_SUFFIX} image-u-boot |
| ln -sf ${DEPLOY_DIR_IMAGE}/${FLASH_KERNEL_IMAGE} image-kernel |
| ln -sf ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.$rofs image-rofs |
| ln -sf rwfs.$rwfs image-rwfs |
| |
| # Create the tar archive |
| tar -h -cvf ${IMGDEPLOYDIR}/${IMAGE_NAME}.$type.mtd.tar \ |
| image-u-boot image-kernel image-rofs image-rwfs $extra_files |
| |
| cd ${IMGDEPLOYDIR} |
| ln -sf ${IMAGE_NAME}.$type.mtd.tar ${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.$type.mtd.tar |
| } |
| |
| do_generate_static_tar() { |
| make_tar_of_images ${OVERLAY_BASETYPE} ${IMAGE_BASETYPE} static |
| |
| # Maintain non-standard legacy link. |
| cd ${IMGDEPLOYDIR} |
| ln -sf ${IMAGE_NAME}.static.mtd.tar ${IMGDEPLOYDIR}/${MACHINE}-${DATETIME}.tar |
| } |
| do_generate_static_tar[dirs] = " ${S}/static" |
| do_generate_static_tar[depends] += " \ |
| ${PN}:do_image_${@d.getVar('IMAGE_BASETYPE', True).replace('-', '_')} \ |
| virtual/kernel:do_deploy \ |
| u-boot:do_populate_sysroot \ |
| " |
| do_generate_static_tar[vardepsexclude] = "DATETIME" |
| |
| do_generate_ubi_tar() { |
| ln -sf ${S}/MANIFEST MANIFEST |
| make_tar_of_images ${FLASH_UBI_OVERLAY_BASETYPE} ${FLASH_UBI_BASETYPE} ubi MANIFEST |
| } |
| do_generate_ubi_tar[dirs] = " ${S}/ubi" |
| do_generate_ubi_tar[depends] += " \ |
| ${PN}:do_image_${@d.getVar('FLASH_UBI_BASETYPE', True).replace('-', '_')} \ |
| virtual/kernel:do_deploy \ |
| u-boot:do_populate_sysroot \ |
| " |
| |
| python do_generate_phosphor_manifest() { |
| version = do_get_version(d) |
| with open('MANIFEST', 'w') as fd: |
| fd.write('purpose=xyz.openbmc_project.Software.Version.VersionPurpose.BMC\n') |
| fd.write('version={}\n'.format(version.strip('"'))) |
| } |
| do_generate_phosphor_manifest[dirs] = "${S}" |
| do_generate_phosphor_manifest[depends] += " \ |
| os-release:do_populate_sysroot \ |
| " |
| |
| addtask generate_phosphor_manifest after do_rootfs |
| addtask generate_rwfs_static after do_rootfs |
| addtask generate_rwfs_ubi after do_rootfs |
| |
| python() { |
| types = d.getVar('IMAGE_FSTYPES', True).split() |
| |
| if any([x in types for x in ['mtd-static', 'mtd-static-alltar']]): |
| bb.build.addtask( |
| 'do_generate_static', |
| 'do_image_complete', |
| 'do_generate_rwfs_static', d) |
| if 'mtd-static-alltar' in types: |
| bb.build.addtask( |
| 'do_generate_static_alltar', |
| 'do_image_complete', |
| 'do_generate_static', d) |
| if 'mtd-static-tar' in types: |
| bb.build.addtask( |
| 'do_generate_static_tar', |
| 'do_image_complete', |
| 'do_generate_rwfs_static', d) |
| |
| if 'mtd-ubi' in types: |
| bb.build.addtask( |
| 'do_generate_ubi', |
| 'do_image_complete', |
| 'do_generate_rwfs_ubi', d) |
| if 'mtd-ubi-tar' in types: |
| bb.build.addtask( |
| 'do_generate_ubi_tar', |
| 'do_image_complete', |
| 'do_generate_rwfs_ubi do_generate_phosphor_manifest', d) |
| } |